i'm joined by a congressman from nevada. good to have you here today. >> thanks, martha. martha: i know you were in the initial briefing that general petraeus gave back on september the 14th where he claimed that the video, the anti-muslim video was really the impetus for this attack. was it a different story that you heard today? >> well i think, first director petraeus went over what he told us back on the 14th and i compared that to the notes that i had taken during that hearing and it was very similar. what he did today was tell us where, through the process ofee value waiting on going intelligence the story changed. what was initially presented on the 14th over the dores o course of the intervening weeks and months did change. he said this attack was perpetrated by extremist groups. certainly there was information of what groups may have been considered to be involved, however, that was classified at the time and not put out to the public. then he walked us through the process and here is where we realized our initial assessment was off on this point. martha: i have